Posted by Bruce McClure in Astronomy Essentials | Human World|1 day ago
The 4 cross-quarter days fall between equinoxes and solstices. Halloween is the spookiest one – derived from a sacred festival of ancient Celts and Druids – coming as days grow short and nights long in the Northern Hemisphere.
Rather than completely disappear – even when vaccines become available- it’s likely that the coronavirus SARS-CoV-2 will be added to the family of infectious diseases known as “endemic” in the human population.
Posted by Lia Rovira in Human World | Space|3 weeks ago
After 2 weeks of scrubs, SpaceX’s Falcon 9 rocket blasted off October 6, 2020, carrying 60 more Starlink satellites to orbit. The rocket successfully landed at sea 9 minutes later. Video of the launch and landing here, plus steps taken to reduce the bright satellites’ effect on astronomy.
Solar storms pose risks for society, but more accurate space weather forecasts appear to be coming soon. A team of researchers in Japan has developed a physics-based method for predicting large solar flares, including powerful and potentially dangerous X-flares.
Posted by Deborah Byrd in Human World | Today's Image|2 months ago
Video and images of the weirdly orange skies across the U.S. West this week, created by massive wildfires that incinerated several communities in Oregon in the past 2 days and blotted out the sun in San Francisco.